browser: Put simple_message_box.h and chrome_web_contents_view_delegate.h into chrome namespace.

chrome/browser/extensions/extension_error_reporter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_error_reporter.h"
 
 #include "build/build_config.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 38 matching lines @@
     return;
   }
 
   errors_.push_back(message);
 
   // TODO(aa): Print the error message out somewhere better. I think we are
   // going to need some sort of 'extension inspector'.
   LOG(ERROR) << "Extension error: " << message;
 
   if (enable_noisy_errors_ && be_noisy) {
-    browser::ShowMessageBox(NULL, ASCIIToUTF16("Extension error"), message,
-                            browser::MESSAGE_BOX_TYPE_WARNING);
+    chrome::ShowMessageBox(NULL, ASCIIToUTF16("Extension error"), message,
+                           chrome::MESSAGE_BOX_TYPE_WARNING);
   }
 }
 
 const std::vector<string16>* ExtensionErrorReporter::GetErrors() {
   return &errors_;
 }
 
 void ExtensionErrorReporter::ClearErrors() {
   errors_.clear();
 }